Move and rename the clone-never.rs test

Author: JonathanBrouwer

…sts/ui/type/never-type-inference-fail.rs tests/ui/never_type/basic/clone-never.rstests/ui/type/never-type-inference-fail.rs renamed to tests/ui/never_type/basic/clone-never.rs tests/ui/type/never-type-inference-fail.rs renamed to tests/ui/never_type/basic/clone-never.rs

@@ -1,5 +1,3 @@
-//! regression test for issue #2151
-
 fn main() {
     let x = panic!(); //~ ERROR type annotations needed
     x.clone();